More Regarding National Federation of the Blind and Apple

09 Aug 2014 • nfb.org

In addition, a recurring problem is that when apps are updated to new versions, blind users find that accessibility has been compromised, either deliberately or accidentally. With no way to revert to a previous version of the app, the blind user must simply hope that the developer rectifies the problem quickly. No one seriously disputes that these problems cause blind iPhone users a great deal of frustration, and that they sometimes result in real threats to a blind person’s education, productivity, or employment

Unpredictable updates is the real issue here.